Using SEM-EDX and ICP-OES to Investigate the Elemental Composition of Green Macroalga Vaucheria sessilis

Figure 1

(a) A picture of the surface of natural biomass— Vaucheria sessilis; bottom picture of the surface (b) and cross section (b′) of macroalga; mapping of all elements on the surface (c) and in the cross section (c′) (C—green, O—dark blue, Na—bright blue, Al—yellow, Si—purple, and P—pink).